EnvelopeBagMakingMachineManufacturs Independent design, independent research and development, independent production, factory direct sales, 7X24 small after-sales service, 180 production rate per minute, free on-site installation and debugging, lifelong maintenance, to provide the latest technical guidance Raw materials of bubble film bag making machine Bubble film, co-extruded film, pearlescent film, aluminized film, coated kraft paper, hot melt adhesive, out of shape paper, out of shape film Mechanical Application field 1. http://www.cnzt-machine.com/en....velope-bag-making-ma